The Rolling Stones
Meaning, "repeated in pattern".
What is periodic?
Dmitri _______________________.
Mendeleev?
He found that these properties repeated in predictable patterns based on an elements ...
Atomic Mass?
In the modern periodic table, the elements are arranged by increasing ________________________ _________________--not atomic mass.
What is Atomic Number?
In 1913, a young English scientist named ___________________ G.J Moseley arranged all the known elements based on increasing atomic number instead of atomic mass.
Who is Henry?
The horizontal rows of elements in the periodic table are called _______________________.
What are/is periods?
The vertical columns in the periodic table are called _______________________.
What are groups?
Electrons located in energy levels close to the nucleus have ________ energy than electrons in energy levels farther away.
What is less?
What are the three characteristics of the first three elements from group 11?
Elements in the same group have the same number of electrons in their ___________________ energy levels.
Electrons that do all the "work" of chemical reactions and chemically combining with other elements are called the?
What are valence electrons?
An _____________ ______________ _________________ uses the chemical symbol of an element surrounded by dots to represent the number of electrons in the outermost energy level.
Electron Dot Diagram.
Another word for the electron dot diagram?
What is a Lewis structure?
. .
. I .
. . .
What is the symbol for Francium? How many valence electrons does it have?
Fr. 1
What process does the sun use to make it's own energy?
Nuclear Fusion.
What process does a nuclear plant use to make it's own energy?
Nuclear Fission.
Heavy Water.
Nuclear power today accounts for around _______ _______________ of the total electricity generation around the world.
10%.
What was the name of the isotope that is commonly used for providing alternative sources of energy?
Uranium-235
The primary fuel for Nuclear Fusion in the sun is...
Hydrogen.
What is the use of radioactive materials in medicine?
Tracers.
When you combine two atoms of hydrogen together, what is the outcome?
Name of the material that is inside the water that increases the chances of the atom splitting and also makes the water weigh more than usual.
Deuterium.
Name of the city in Japan that was devastated by a nuclear incident because of an earthquake/tsunami interrupting a nuclear power plant?
Fukushima.